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Add optional support for the Reset Control feature of the Renesas Clock
Pulse Generator / Module Standby and Software Reset module on R-Car
Gen2, R-Car Gen3, and RZ/G1 SoCs.
This allows to reset SoC devices using the Reset Controller API.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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The spinlock is used to protect Read-Modify-Write register accesses,
which won't be limited to SMSTPCR register accesses.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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The Renesas CPG/MSSR driver is already in active use for RZ/G1 since
commits c0b2d75d2a4bf6a3 ("clk: renesas: cpg-mssr: Add R8A7743 support")
and 9127d54bb8947159 ("clk: renesas: cpg-mssr: Add R8A7745 support").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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As the function header of cpg_mstp_clock_register() is split in an
unusual way, "git diff" gets confused when changes to the body of
the function are made, and attributes them to the wrong function.
Reformat the function header to fix this.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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The BayTrail and CherryTrail platforms provide platform clocks
through their Power Management Controller (PMC).
The SoC supports up to 6 clocks (PMC_PLT_CLK[0..5]) with a
frequency of either 19.2 MHz (PLL) or 25 MHz (XTAL) for BayTrail
and a frequency of 19.2 MHz (XTAL) for CherryTrail. These clocks
are available for general system use, where appropriate, and each
have Control & Frequency register fields associated with them.
Port from legacy by Pierre Bossart, integration in clock framework
by Irina Tirdea
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Fix Makefile for x86 support, dependency on CONFIG_COMMON_CLK
was not explicit
Fixes: 701190fd7419 ('clk: x86: add support for Lynxpoint LPSS clocks')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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In clock driver initialize phase the spinlock is missed to assignment
to struct clkgate_separated, finally there have no locking to protect
exclusive accessing for clock registers.
This bug introduces the console has no output after enable coresight
driver on 96boards Hikey; this is because console using UART3, which
has shared the same register with coresight clock enabling bit. After
applied this patch it can assign lock properly to protect exclusive
accessing, and console can work well after enabled coresight modules.
Fixes: 0aa0c95f743a ("clk: hisilicon: add common clock support")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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* clk-ux500:
clk: ux500: Convert ABx500 clocks to use OF probing
clk: ux500: Add device tree bindings for ABx500 clocks
clk: ux500: move AB8500 sysclk over to PRCMU clk driver
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These clocks have been broken for a long time unfortunately, a
hurdle of misc problems made them stop working at some point
breaking USB and audio on Ux500.
The platform as such and all "regular" clocks are migrated to
OF/device tree, so let's migrate also this driver.
With this patch and the corresponding DTS fixes, and a bunch
of probe deferral fixes, audio starts working again on Ux500.
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The AB8500 sysclk is just another PRCMU-controlled clock, there
is no reason why it should be in the ABx500-controlled part of
the clock implementation. Doing this and the corresponding device
tree changes makes USB work on the Ux500 again.
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The MT8135 is a 32-bit SoC, so only propose it on ARM architecture,
not ARM64.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: 234d511d8c15 ("clk: mediatek: Add hardware dependency")
Cc: Andreas Färber <afaerber@suse.de>
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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If I say "no" to "Clock driver for Mediatek MT2701", I don't want to
be asked individually about each sub-driver. No means no.
Additionally, this driver shouldn't be proposed at all on non-mediatek
builds, unless build-testing.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: James Liao <jamesjj.liao@mediatek.com>
Cc: Shunli Wang <shunli.wang@mediatek.com>
Cc: Erin Lo <erin.lo@mediatek.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Currently the divider selection logic blindly divides the parent_rate
by the clk rate and gives the divider value for the divider clocks
which do not have the CLK_SET_RATE_PARENT flag set. Add the clk divider
table parsing to get the closest divider available in the table
provided via Device tree.
The code is pretty much taken from: drivers/clk/clk-divider.c.
and used here to fix up the best divider selection logic.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reported-by: Richard Woodruff <r-woodruff2@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Once a gdsc is brought in and out of HW control, there is a
power down and up cycle which can take upto 1us. Polling on
the gdsc status immediately after the hw control enable/disable
can mislead software/firmware to belive the gdsc is already either on
or off, while its yet to complete the power cycle.
To avoid this add a 1us delay post a enable/disable of HW control
mode.
Also after the HW control mode is disabled, poll on the status to
check gdsc status reflects its 'on' before force disabling it
in software.
Reported-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Tested-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Fixes: 904bb4f5c7de ("clk: qcom: gdsc: Add support for gdscs with HW control")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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During meson8b clock probe, clk81 register address is fixed twice.
First using the meson8b_clk_gates array, then by directly changing
meson8b_clk81 register.
As a result meson8b_clk81.reg = HHI_MPEG_CLK_CNTL + clk_base + clk_base.
Fixed by just removing the second fixup.
Fixes: e31a1900c1ff ("meson: clk: Add support for clock gates")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This patch enables clocks for STM32F746 boards.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Do not let the entire probe function fail even if some clocks fail
to register. Let's continue with succeeded clocks. This will give
the system more chances to boot and allow us to investigate the
cause of the failure.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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* clk-imx7:
clk: imx7d: Add the OCOTP clock
* clk-bcm2835:
clk: bcm2835: Add leaf clock measurement support, disabled by default
clk: bcm2835: Register the DSI0/DSI1 pixel clocks.
clk: bcm2835: Don't rate change PLLs on behalf of DSI PLL dividers.
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The HHI_SAR_CLK_CNTL contains three SAR ADC specific clocks:
- a mux clock to choose between different ADC reference clocks (this is
2-bit wide, but the datasheet only lists the parents for the first
bit)
- a divider for the input/reference clock
- a gate which enables the ADC clock
Additionally this exposes the ADC core clock (CLKID_SAR_ADC) and
CLKID_SANA (which seems to enable the analog inputs, but unfortunately
there is no documentation for this - we just mimic what the vendor
driver does).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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The Allwinner A10s, A13, R8 and NextThing GR8 are all based on the same
silicon, and all share the same clocks.
However, they're not packaged in the same way, and therefore not all the
controllers are actually available on all these SoCs.
Introduce a clock controller driver for all these SoCs with different
compatibles to take that into account.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Some clocks have a global pre-divider that applies to all their parents.
Since it might also apply to clocks that have a single parent, this is
merged in the ccu_common structure, unlike the other pre-divider settings
that are tied to a specific index, and thus a specific parent.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Some multipliers have a maximum rate that is lower than what the register
width allows to. Add a field in the multiplier structure to allow CCU
driver to set that maximum.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The previous code was always taking 1 as the minimum in it's round_rate
function, ignoring entirely what was set as minimum in the clock
definition.
Make sure that's not the case anymore.
Fixes: 2beaa601c849 ("clk: sunxi-ng: Implement minimum for multipliers")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The factors we've seen so far all had an offset of one. However, on the
earlier Allwinner SoCs, some factors could have no offset at all, meaning
that the value computed to reach the rate we want to use was the one we had
to program in the registers.
Implement an additional field for the factors that can have such an offset
(linears, not based on a power of two) to specify that offset.
This offset is not linked to the extremums that can be specified in those
structures too. The minimum and maximum are representing the range of
values we can use to try to compute the best rate. The offset comes later
on when we want to set the best value in the registers.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Some clocks on the earlier SoCs such as the video PLLs are multipliers with
fractional settings.
Support those cases.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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INTC-SYS is the module clock for the GIC. Accessing the GIC while it is
disabled causes:
Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Currently, the GIC-400 driver cannot enable its module clock for several
reasons:
- It does not use a platform device, so Runtime PM is not an option,
- gic_of_init() runs before any clocks are registered, so it cannot
enable the clock explicitly,
- gic_of_init() cannot return -EPROBE_DEFER, as IRQCHIP_DECLARE()
doesn't support deferred probing.
Hence we have to keep on relying on the boot loader for enabling the
module clock.
To prevent the module clock from being disabled when the CCF core thinks
it is unused, and thus causing a system lock-up, add a check to the MSTP
clock driver and enable CLK_IS_CRITICAL. This will make sure the module
clock is never disabled.
This is a hard dependency for describing the INTC-SYS clock in DT on
R-Mobile APE6 and R-Car Gen2.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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When the Renesas CPG/MSSR driver was introduced, it was anticipated that
critical clocks would be handled through a new CLK_ENABLE_HAND_OFF flag
soon. However, CLK_ENABLE_HAND_OFF never made it upstream.
Instead, commit 32b9b10961860860 ("clk: Allow clocks to be marked as
CRITICAL") introduced CLK_IS_CRITICAL, a flag with slightly differing
semantics. Still, it can be used to prevent e.g. the GIC module clock
from being turned off, until the GIC-400 driver has full support for
Runtime PM.
Hence migrate the Renesas CPG/MSSR driver from CLK_ENABLE_HAND_OFF to
CLK_IS_CRITICAL.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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NIU clocks are related to the interconnect and it's important to other blocks.
Since we don't have a driver to handle it, we should always enable it to avoid
casually close.
Make all of them critical,so that we don't have to each clock on its own
once things break.
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
[dropped the matching CLK_IGNORE_UNUSED flags]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Reference the newly added vip clock-ids in the clock-tree.
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Pull clk fix from Stephen Boyd:
"One fix for Samsung Exynos524x SoCs where recent IOMMU patches have
caused some of these clocks to turn off when they were always left on
before"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk/samsung: exynos542x: mark some clocks as critical
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Add the OCOTP so that this hardware block can be used.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This proved incredibly useful during debugging of the DSI driver, to
see if our clocks were running at rate we requested. Let's leave it
here for the next person interacting with clocks on the platform (and
so that hopefully we can just hook it up to debugfs some day).
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The DSI pixel clocks are muxed from clocks generated in the analog phy
by the DSI driver. In order to set them as parents, we need to do the
same name lookup dance on them as we do for our root oscillator.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Our core PLLs are intended to be configured once and left alone. With
the SET_RATE_PARENT, asking to set the PLLD_DSI1 clock rate would
change PLLD just to get closer to the requested DSI clock, thus
changing PLLD_PER, the UART and ethernet PHY clock rates downstream of
it, and breaking ethernet.
We *do* want PLLH to change so that PLLH_AUX can be exactly the value
we want, though. Thus, we need to have a per-divider policy of
whether to pass rate changes up.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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CS2000 needs re-setup when redume, otherwise, it can't
handle correct clock rate.
Signed-off-by: Khiem Nguyen <khiem.nguyen.xt@rvc.renesas.com>
[Kuninori: cleanup original patch]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add driver for IDT VersaClock 5 5P49V5923 and 5P49V5933 chips. These
chips have two clock inputs, XTAL or CLK, which are muxed into single
PLL/VCO input. In case of 5P49V5923, the XTAL in built into the chip
while the 5P49V5923 requires external XTAL.
The PLL feeds two fractional dividers. Each fractional divider feeds
output mux, which allows selecting between clock from the fractional
divider itself or from output mux on output N-1. In case of output
mux 0, the output N-1 is instead connected to the output from the mux
feeding the PLL.
The driver thus far supports only the 5P49V5923 and 5P49V5933, while
it should be easily extensible to the whole 5P49V59xx family of chips
as they are all pretty similar.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-renesas-soc@vger.kernel.org
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Pull Rockchip clk updates from Heiko Stuebner:
A new clock-type for the 1-2 muxes per soc that are for whatever reason
controlled through the General Register Files, support for the rk3328
clock-controller (including a new pll-type) and the usual clock ids and
some fixes.
* tag 'v4.11-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
dt-bindings: clk: add rockchip,grf property for RK3399
clk: rockchip: use clock ids for memory controller parts on rk3066/rk3188
clk: rockchip: use rk3288 isp_in clock ids
clk: rockchip: add clock ids for memory controller parts on rk3066/rk3188
clk: rockchip: add rk3288 isp_in clock ids
clk: rockchip: Remove useless init of "grf" to -EPROBE_DEFER
clk: rockchip: add clock controller for rk3328
dt-bindings: add bindings for rk3328 clock controller
clk: rockchip: add dt-binding header for rk3328
clk: rockchip: add new pll-type for rk3328
clk: rockchip: describe aclk_vcodec using the new muxgrf type on rk3288
clk: rockchip: add a clock-type for muxes based in the grf
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Pull Samsung clk updates from Sylwester Nawrocki:
- addition of the CPU clock configuration data for Exynos4412
Prime SoC variant,
- removal of driver for deprecated Exynos4415 SoC,
- switching from the syscore to regular system sleep PM ops
in the audio subsystem clocks controller driver,
- updates of the definitions of some "Network On Chip" related
clocks.
* tag 'clk-v4.11-samsung' of git://linuxtv.org/snawrocki/samsung:
clk: samsung: Remove Exynos4415 driver (SoC not supported anymore)
clk: samsung: exynos-audss: Replace syscore PM with platform device PM
clk: samsung: exynos5433: Set NoC (Network On Chip) clocks as critical
clk: samsung: Add CPU clk configuration data for Exynos4412 Prime
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The LDB mux/gate layout has been fixed on QuadPlus, so there is no need
to restrict the LDB mux changes on this hardware, as the erratum
preventing this from working properly is gone.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Pull renesas clk updates from Geert Uytterhoeven:
- Add CAN and MSIOF related clocks for R-Car M3-W.
* tag 'clk-renesas-for-v4.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: r8a7796: Add MSIOF controller clocks
clk: renesas: r8a7796: Add CAN FD peripheral clock
clk: renesas: r8a7796: Add CANFD clock
clk: renesas: r8a7796: Add CAN peripheral clock
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V3s has a similar but cut-down CCU to H3. Some muxes, especially clocks
about CSI, are different, which makes it to need a new CCU driver.
Add such a new driver for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Export HDMI clock from internal to dt-bindings.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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The range of the pclk_edp_div_con is [13:8] and 6 bits, not 5.
Reported-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Tested-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The audio DAI needs to set the clock rates of the ac-dig clock.
To make it possible, the parent PLL audio clock rates should
also be changed. This is possible via "CLK_SET_RATE_PARENT" flag.
Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Samsung DeviceTree update for v4.11:
1. Fixes for initial audio clocks configuration.
2. Enable sound on Odroid-X board.
3. Enable DMA for UART modules on Exynos5 SoCs.
4. Add CPU OPPs for Exynos4412 Prime (newer version of Exynos4412). This pulls
necessary change in the clocks.
5. Remove Exynos4212. We do not have any mainline boards with it. This will
simplify few bits later.
* tag 'samsung-dt-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: exynos: remove Exynos4212 support (dead code)
ARM: dts: exynos: Add CPU OPPs for Exynos4412 Prime
clk: samsung: Add CPU clk configuration data for Exynos4412 Prime
ARM: dts: exynos: Enable DMA support for UART modules on Exynos5 SoCs
ARM: dts: exynos: Cleanup Odroid-X2 and enable sound on Odroid-X
ARM: dts: exynos: Fix initial audio clocks configuration on Exynos4 boards
ARM: dts: exynos: Correct clocks for Exynos4 I2S module
Signed-off-by: Olof Johansson <olof@lixom.net>
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Support for Exynos4415 is going away because there are no internal nor
external users.
Since commit 46dcf0ff0de3 ("ARM: dts: exynos: Remove exynos4415.dtsi"),
the platform cannot be instantiated so remove also the drivers.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
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Add the newly added clock ids to the clock entries of the rk3066/rk3188
clock driver. We won't be needing them in the kernel for a bit yet
but as they're used in the new u-boot ddr setup code/dts we should make
sure the clock ids stay identical and do not differ.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Reference the newly added isp clock-ids in the clock-tree.
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The failure path in the newly added function tries to free an
uninitialized pointer:
drivers/clk/clk-stm32f4.c: In function 'stm32f4_rcc_init':
drivers/clk/clk-stm32f4.c:1106:4: error: 'gate' may be used uninitialized in this function [-Werror=maybe-uninitialized]
I'm adding an initialization to NULL here to make the kfree()
succeed, and I'm also rearranging the cleanup so that the
same kfree() is used for any error path, making the function
slightly more robust against newly introduced bugs in the
error handling.
Fixes: daf2d117cbca ("clk: stm32f4: Add lcd-tft clock")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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* clk-fixes:
clk/samsung: exynos542x: mark some clocks as critical
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Geert Uytterhoeven
Irina Tirdea
Pierre-Louis Bossart
Leo Yan
Stephen Boyd
Linus Walleij
Jean Delvare
Keerthy
Rajendra Nayak
Jerome Brunet
Gabriel Fernandez
Masahiro Yamada
Martin Blumenstingl
Maxime Ripard
Jacob Chen
Linus Torvalds
Fabio Estevam
Eric Anholt
Khiem Nguyen
Marek Vasut
Lucas Stach
Icenowy Zheng
Neil Armstrong
Xing Zheng
Mylène Josserand
Olof Johansson
Krzysztof Kozlowski
Heiko Stuebner
Arnd Bergmann